1# CustomizeData 2 3The **CustomizeData** module provides custom metadata. 4 5> **NOTE** 6> 7> The initial APIs of this module are supported since API version 7. Newly added APIs will be marked with a superscript to indicate their earliest API version. 8 9## CustomizeData<sup>(deprecated)</sup> 10 11> This API is deprecated since API version 9. You are advised to use [Metadata](js-apis-bundleManager-metadata.md) instead. 12 13**System capability**: SystemCapability.BundleManager.BundleFramework 14 15| Name | Type | Readable| Writable| Description | 16| ------------------ | ------ | ---- | ---- | ---------------- | 17| name | string | Yes | Yes | Key that identifies a data element.| 18| value | string | Yes | Yes | Value of the data element. | 19| extra<sup>8+</sup> | string | Yes | Yes | Custom format of the data element. The value is an index to the resource that identifies the data. | 20